How to Create Shopify Blocks | Main Product section without blocks

main-product-section-without-blocks.liquid

<div class="product__info-container">

  <h2>{{ product.title }}</h2>

  {{ product.price }}

  {%- if product.vendor -%}
    <p>{{ product.vendor }}</p>
  {%- endif -%}

  <p>{{ product.description }}</p>

....

</div>

{% schema %}
{
  "name": "Main product section"
}

{% endschema %}